It was not clear when the message released by the ISIS-affiliated Al-Furqan media group was recorded.

In it, the apparent ISIS leader lashed out at “infidel nations headed by America, Russia and Iran” who, along with their allies, have inflicted losses on the militants during separate anti-ISIS offensives in Syria and Iraq.

In July, Moscow said it was struggling to confirm if Baghdadi was dead or alive, a month after reporting his possible demise in an air strike near the ISIS stronghold of Raqa in Syria.